Resistance of copper wire formula. This page provides a wire resistivity calculator and explains the formula behind it. Knowing the resistance formula for copper wire is vital for designing and checking electrical systems. . You can calculate the resistance of a wire with the calculator below or calculate it yourself with the formulas. The formula for the resistance of the wire includes these two factors, expressed in this electric resistance equation, also known as Ohm’s Law formula: R = ρ × L / A. The calculator uses wire resistance, length, and cross-sectional area to determine the resistivity of the wire material. The reciprocal of electrical resistance is conductance. Aug 27, 2024 ยท With the right values, you can find the resistance of a copper wire using this formula. Commonly used electrical formulas like Ohms Law and more. Electric resistance in wire made of Copper, Aluminum, Brass, Constantan, Nichrome, Platinum, Silver or Tungsten. In this article, we explain what copper wire resistance is, how it affects performance, and how to calculate it for different wire sizes and lengths. Enter three values to calculate the remaining one. The wire resistance calculator determines the resistance and conductance of a wire. Electric conductance is the ability of a element to conduct an electric current. Resistance of any wire, be it copper, aluminum, nichrome, and so on, depends only on two primary factors. The resistance of a wire is determined by the material, length and cross-section of the wire. hkmrw ztyil mux efb atlv hze tqfyj urmg xdfoe wfewcr